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-rw-r--r--library/declare.ml12
-rw-r--r--library/declare.mli7
-rw-r--r--library/indrec.ml20
-rw-r--r--library/indrec.mli9
4 files changed, 27 insertions, 21 deletions
diff --git a/library/declare.ml b/library/declare.ml
index 6809b6e554..c07a8577f7 100644
--- a/library/declare.ml
+++ b/library/declare.ml
@@ -523,12 +523,13 @@ let instantiate_inductive_section_params t ind =
else t
(* Eliminations. *)
-let eliminations = [ (prop,"_ind") ; (spec,"_rec") ; (types,"_rect") ]
+let eliminations =
+ [ (ElimOnProp,"_ind") ; (ElimOnSet,"_rec") ; (ElimOnType,"_rect") ]
let elimination_suffix = function
- | Type _ -> "_rect"
- | Prop Null -> "_ind"
- | Prop Pos -> "_rec"
+ | ElimOnProp -> "_ind"
+ | ElimOnSet -> "_rec"
+ | ElimOnType -> "_rect"
let make_elimination_ident id s = add_suffix id (elimination_suffix s)
@@ -551,7 +552,8 @@ let declare_one_elimination mispec =
let kelim = mis_kelim mispec in
List.iter
(fun (sort,suff) ->
- if List.mem sort kelim then declare (mindstr^suff) (make_elim sort))
+ if List.mem sort kelim then
+ declare (mindstr^suff) (make_elim (sort_of_elimination sort)))
eliminations
let declare_eliminations sp =
diff --git a/library/declare.mli b/library/declare.mli
index c623a0cce2..e17be37e3a 100644
--- a/library/declare.mli
+++ b/library/declare.mli
@@ -117,6 +117,7 @@ val path_of_inductive_path : inductive_path -> mutual_inductive_path
val path_of_constructor_path : constructor_path -> mutual_inductive_path
(* Look up function for the default elimination constant *)
-val elimination_suffix : sorts -> string
-val make_elimination_ident : inductive_ident:identifier -> sorts -> identifier
-val lookup_eliminator : Environ.env -> inductive -> sorts -> constr
+val elimination_suffix : elimination_sorts -> string
+val make_elimination_ident :
+ inductive_ident:identifier -> elimination_sorts -> identifier
+val lookup_eliminator : Environ.env -> inductive -> elimination_sorts -> constr
diff --git a/library/indrec.ml b/library/indrec.ml
index 251656c600..f15ed4b53f 100644
--- a/library/indrec.ml
+++ b/library/indrec.ml
@@ -40,10 +40,11 @@ let mis_make_case_com depopt env sigma mispec kind =
| None -> mis_sort mispec <> (Prop Null)
| Some d -> d
in
- if not (List.exists (base_sort_cmp CONV kind) (mis_kelim mispec)) then
+ if not (List.exists ((=) kind) (mis_kelim mispec)) then
raise
(InductiveError
- (NotAllowedCaseAnalysis (dep,kind,mis_inductive mispec)));
+ (NotAllowedCaseAnalysis
+ (dep,(sort_of_elimination kind),mis_inductive mispec)));
let nbargsprod = mis_nrealargs mispec + 1 in
@@ -74,7 +75,7 @@ let mis_make_case_com depopt env sigma mispec kind =
mkLambda_string "f" t
(add_branch (push_rel (Anonymous, None, t) env) (k+1))
in
- let typP = make_arity env' dep indf kind in
+ let typP = make_arity env' dep indf (sort_of_elimination kind) in
it_mkLambda_or_LetIn_name env
(mkLambda_string "P" typP
(add_branch (push_rel (Anonymous,None,typP) env') 0)) lnamespar
@@ -371,7 +372,7 @@ let mis_make_indrec env sigma listdepkind mispec =
let rec put_arity env i = function
| (mispeci,dep,kinds)::rest ->
let indf = make_ind_family (mispeci,extended_rel_list i lnamespar) in
- let typP = make_arity env dep indf kinds in
+ let typP = make_arity env dep indf (sort_of_elimination kinds) in
mkLambda_string "P" typP
(put_arity (push_rel (Anonymous,None,typP) env) (i+1) rest)
| [] ->
@@ -432,11 +433,12 @@ let instanciate_indrec_scheme sort =
let check_arities listdepkind =
List.iter
- (function (mispeci,dep,kinds) ->
+ (function (mispeci,dep,kind) ->
let id = mis_typename mispeci in
let kelim = mis_kelim mispeci in
- if not (List.exists (base_sort_cmp CONV kinds) kelim) then
- raise (InductiveError (BadInduction (dep, id, kinds))))
+ if not (List.exists ((=) kind) kelim) then
+ raise
+ (InductiveError (BadInduction (dep, id, sort_of_elimination kind))))
listdepkind
let build_mutual_indrec env sigma = function
@@ -459,8 +461,8 @@ let build_mutual_indrec env sigma = function
| _ -> anomaly "build_indrec expects a non empty list of inductive types"
let build_indrec env sigma mispec =
- let kind = mis_sort mispec in
- let dep = kind <> Prop Null in
+ let kind = elimination_of_sort (mis_sort mispec) in
+ let dep = kind <> ElimOnProp in
List.hd (mis_make_indrec env sigma [(mispec,dep,kind)] mispec)
(**********************************************************************)
diff --git a/library/indrec.mli b/library/indrec.mli
index e50766348b..e53b7d2a8c 100644
--- a/library/indrec.mli
+++ b/library/indrec.mli
@@ -21,9 +21,9 @@ open Evd
(* These functions build elimination predicate for Case tactic *)
-val make_case_dep : env -> 'a evar_map -> inductive -> sorts -> constr
-val make_case_nodep : env -> 'a evar_map -> inductive -> sorts -> constr
-val make_case_gen : env -> 'a evar_map -> inductive -> sorts -> constr
+val make_case_dep : env -> 'a evar_map -> inductive -> elimination_sorts -> constr
+val make_case_nodep : env -> 'a evar_map -> inductive -> elimination_sorts -> constr
+val make_case_gen : env -> 'a evar_map -> inductive -> elimination_sorts -> constr
(* This builds an elimination scheme associated (using the own arity
of the inductive) *)
@@ -34,7 +34,8 @@ val instanciate_indrec_scheme : sorts -> int -> constr -> constr
(* This builds complex [Scheme] *)
val build_mutual_indrec :
- env -> 'a evar_map -> (inductive * bool * sorts) list -> constr list
+ env -> 'a evar_map -> (inductive * bool * elimination_sorts) list
+ -> constr list
(* These are for old Case/Match typing *)